uber driver stole my items

very angry as I am writing this I don't like complaints but I feel that the UBER driver ****** me of my belongings' took a trip Monday after I did job for a friend, it was a short trip I took the trip with the intention of getting home quicker, i asked the driver to make quick stop at the ATM he agreed which I am thankful for, got out paid got my invoice, the next day I realised I am missing my tool bag which was had all my electronics,a' pro tool kit bag and two phones in it as well a Huawei p8 white and a Samsung neo trend with I computer chip in the bag as well I reported the matter to the complaints to ask the driver where my phones and my bag is that I left behind in the car but no answers sent numerous mails no answer even tried calling the driver via the web service he puts down the phone ,i feel ****** because he knew that I put it on the floor, why didn't he turn back when he saw my bag I am a IT field tech the value of the tools was R5000 I am upset and want my things back with my phones this was day light ******* because now I have to get new tools and its not fair I am going to expose the driver on social media this you watch and see he ****** me in a very nice way uber sucks